使用双向关系复制对象

Question

我想复制我的对象Kunde，它与我的Ansprechpartner对象处于双向关联关系，而不会收到递归。

复制功能Kunde

public void Copy(Kunde another) {
    this.m_sKunde_nr = another.getKunde_nr();
    this.m_sMdkz = another.getMdkz();
    this.m_sName = another.getName();
    this.m_sStrasse = another.getStrasse();
    this.m_sPlz = another.getPlz();
    this.m_sOrt = another.getOrt();
    this.m_sTelnr = another.getTelnr();
    this.m_sEmail_auftrag = another.getEmail_auftrag();
    this.m_sEmail_allgemein = another.getEmail_allgemein();
    this.m_dbLng = another.getLng();
    this.m_dbLat = another.getLat();
    for(Ansprechpartner a : another.getAnsprechpartner()) {
        this.m_lAnsprechpartner.add(new Ansprechpartner());
        this.m_lAnsprechpartner.get(this.m_lAnsprechpartner.size()-1).Copy(a);
    }
}

复制功能Ansprechpartner

public void Copy(Ansprechpartner another) {
    this.m_nAnsprechpartner_nr = another.getAnsprechpartner_nr();
    this.m_sMdkz = another.getMdkz();
    this.m_sName = another.getName();
    this.m_sTelnr = another.getTelnr();
    this.m_sEmail = another.getEmail();
    this.m_sVerantwortlichkeit = another.getVerantwortlichkeit();
    this.m_kunde = new Kunde();
    this.m_kunde.Copy(another.getKunde());
}

有没有办法在不获取StackOverFlow的情况下执行此操作？

Answer 1

是的，当然有这样的方式，

复制函数Ansprechpartner中的

只是不复制/创建Kunde实例，而是通过参数传递它（来自复制函数Kunde传递this）。